The ratio of cement, sand and stone is 2:3:5. To mix 2.4 tons of such concrete, when the sand is used up, how many tons more cement? How many tons more stone?
2+3+5=10
Cement = 2.4 △ 10 × 2 = 0.48t
Stone = 2.4 △ 10 × 5 = 1.2 tons
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